Home / 350,067.20-524,906.40-139,467.20

Finding the Fourth Proportional to 350,067.20, 524,906.40 and 139,467.20

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Solution

The fourth proportional to 350,067.20, 524,906.40 and 139,467.20 is: 209,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,067.20 : 524,906.40 = 139,467.20 : x
  2. Step 2: Convert to fraction form
    350,067.20/524,906.40 = 139,467.20/x
  3. Step 3: Cross multiply
    350,067.20x = 524,906.40 × 139,467.20
  4. Step 4: Simplify right side
    350,067.20x = 73,207,225,870.08
  5. Step 5: Solve for x
    x = 73,207,225,870.08/350,067.20
  6. Step 6: Final answer
    x = 209,123.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.